231323520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:804

約数の個数: 128

約数和(自身を含む): 742135680

約数和(自身を除く): 510812160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 320, 384, 422, 480, 571, 633, 640, 844, 960, 1055, 1142, 1266, 1688, 1713, 1920, 2110, 2284, 2532, 2855, 3165, 3376, 3426, 4220, 4568, 5064, 5710, 6330, 6752, 6852, 8440, 8565, 9136, 10128, 11420, 12660, 13504, 13704, 16880, 17130, 18272, 20256, 22840, 25320, 27008, 27408, 33760, 34260, 36544, 40512, 45680, 50640, 54816, 67520, 68520, 73088, 81024, 91360, 101280, 109632, 120481, 135040, 137040, 182720, 202560, 219264, 240962, 274080, 361443, 365440, 405120, 481924, 548160, 602405, 722886, 963848, 1096320, 1204810, 1445772, 1807215, 1927696, 2409620, 2891544, 3614430, 3855392, 4819240, 5783088, 7228860, 7710784, 9638480, 11566176, 14457720, 15421568, 19276960, 23132352, 28915440, 38553920, 46264704, 57830880, 77107840, 115661760, 231323520]

約数ペア:

[(1, 231323520), (2, 115661760), (3, 77107840), (4, 57830880), (5, 46264704), (6, 38553920), (8, 28915440), (10, 23132352), (12, 19276960), (15, 15421568), (16, 14457720), (20, 11566176), (24, 9638480), (30, 7710784), (32, 7228860), (40, 5783088), (48, 4819240), (60, 3855392), (64, 3614430), (80, 2891544), (96, 2409620), (120, 1927696), (128, 1807215), (160, 1445772), (192, 1204810), (211, 1096320), (240, 963848), (320, 722886), (384, 602405), (422, 548160), (480, 481924), (571, 405120), (633, 365440), (640, 361443), (844, 274080), (960, 240962), (1055, 219264), (1142, 202560), (1266, 182720), (1688, 137040), (1713, 135040), (1920, 120481), (2110, 109632), (2284, 101280), (2532, 91360), (2855, 81024), (3165, 73088), (3376, 68520), (3426, 67520), (4220, 54816), (4568, 50640), (5064, 45680), (5710, 40512), (6330, 36544), (6752, 34260), (6852, 33760), (8440, 27408), (8565, 27008), (9136, 25320), (10128, 22840), (11420, 20256), (12660, 18272), (13504, 17130), (13704, 16880)]